1. I mean it. 정말이야. A: I don't want you to come home late again. I mean it. B: You can't control what time I choose to come home. 2. I'm (dead) serious. 나 완전 진심임. A: I'm going to quit this job. I am dead serious. B: But what will you do without a salary? 3. I'll bet 확실해 A: I will bet rich people can go on vacation several times a year. B: It sounds like you envy their lifestlye. 4. You bet. 당연하지..